How to take multiple string input in java using bufferedreader. 1). My code is below: InputStreamReader instream = new InputStreamReader Jan 31, 2024 · To input a string in Java, use the built-in methods of the Scanner, Console, or BufferedReader class or provide the input via the Command-Line args. It is a part of java. spl I am using BufferedReader class to read inputs in my Java program. Learn how to take input in Java using Scanner, BufferedReader, and Console with examples, explanations, and best practices for efficient input handling. Follow this simple guide to handle user input efficiently in Java. I have tried it and it seems to be working only for Strings. Did your professor specify how he expects you to get the input into your program? From the command line, read from a file, typed into the program as it's running? May 28, 2020 · The read () method of BufferedReader class in Java is of two types: 1. Master interactive Java programs with step-by-step input handling techniques. txt")); and then use its readLine() method to read text from a character-input stream. Before that, we used the BufferedReader class (introduced in Java 1. Nov 1, 2023 · To use BufferedReader in Java, you first create an instance of it with the syntax, BufferedReader reader = new BufferedReader(new FileReader("file. Mar 5, 2019 · Please help me to solve the problem of taking multiple integer input in a single line using BufferedReader class? In Scanner class we can take multiple input like all elements of array in one line. Different Ways to Achieve Faster I/O in Java Scanner Class BufferedReader User-defined . BufferedReader offers enhanced performance while reading large inputs, making it preferable for competitive programming and applications where performance is critical. There is no direct method to take input from the user, but we can use the Scanner Class or the BufferedReader class, or the InputStreamReader Class. It reduces the number of I/O operations by reading large piece of data at once, making it faster than directly using FileReader or InputStreamReader. Jan 25, 2012 · I have been using the Scanner object to take in input until now and would like to learn how the BufferedReader works. 0. com Jul 18, 2025 · In Java, reading user input or text from a file is a common task in many applications. can someone show m See full list on baeldung. Jul 23, 2025 · The most common way to take user input in Java is using the Scanner class. This class was introduced in Java 5. Guide and examples for reading input from the console using BufferedReader class. In this blog, you will learn how to take multiple string input in Java using Scanner. Different Ways to Take Array Input from User 1. 1. If the String has to be converted to other data types Sep 10, 2025 · By using these techniques, you can manage varied input types based on your program's needs. This method is used by wrapping the System. Nov 25, 2024 · In this article, we explored different ways to read multiple integers from a single line in Java, including using the Scanner class with a loop and streams, and the BufferedReader for efficient input handling. It is the most primitive way and the BufferedReader class is present in the java. in ? String test = "test"; BufferedReader inFromUser = new Mar 13, 2023 · Learn how to get user input using BufferedReader in Java . In Java, reading multiple lines of input can be accomplished using two primary classes: BufferedReader and Scanner. Apr 1, 2011 · I'm reading numbers from a txt file using BufferedReader for analysis. util package. Nov 16, 2012 · I have a bit of an annoying case here; wherein I am not able to take the input properly. I have always taken input via Scanner, and am not used to the BufferedReader. However I'd like to convert rd to string in as few lines of code as possible. I want to read inputs from a user who can enter multiple integer data in single line with space. The problem is that it seems I'm getting into an infinite loop and when I press "Enter" the program does not come to an end. This read () method reads one character at a time from the buffered stream and return it as an integer value. Sep 11, 2016 · But in order to make Json, I have to read BufferedReader object rd using a "while" loop. It reads the text from the console from the character-based input stream. Mar 11, 2015 · I want to type a multiple line text into the console using a BufferedReader and when I hit "Enter" to find the sum of the length of the whole text. The scanner class can handle input from different places, like as we are typing at the console, reading from a file, or working with data streams. Sep 26, 2016 · I am trying to pass a String to my BufferedReader. Using methods like BufferedReader, Scanner and custom input classes, we can improve the performance of our program. The Bufferedreader class in Java is another predefined class that takes the String input from the user. Using Scanner Class to Take Array Input Approach: First, we create an object of the Learn ways to take input string in java using Scanner Class methods - nextLine() & next(), BufferedReader Class method - readLine() & Command-Line Arguments Sep 24, 2020 · "How to read multiple lines of input and the return a single String" --- You call readLine() multiple times and concatenate the lines into a single string, with newlines added between the lines. The read () method of BufferedReader class in Java is used to read a single character from the given buffered reader. `BufferedReader` is part of the Java I/O package (`java. How can I pass "test" as String to the reader rather than the input from System. It provides buffering for character-input streams, which can significantly improve the efficiency of reading text, especially when dealing with large amounts of data Answer In Java, reading multiple lines of input can be accomplished using two primary classes: BufferedReader and Scanner. Syntax: public int read() throws IOException Overrides: It overrides the read () method of Reader Dec 4, 2023 · Learn how to use the BufferedReader class in Java, along with its different methods, and use cases with examples. The readLine () method is used to read the line and store it as a String. Jul 23, 2025 · Arrays in Java are an important data structure, and we can add elements to them by taking input from the user. io`). One of the efficient ways to read strings is by using the `BufferedReader` class. Java can be slower for I/O tasks, but there are different ways to speed it up. Jul 23, 2025 · In Java, there are four different ways to read input from the user in the command line environment (console). Sep 5, 2023 · Learn how to take multiple string input in Java using the Scanner class. The Scanner class Java provides the flexibility needed for effective user interaction and input processing. Aug 30, 2025 · The BufferedReader class in Java is used to read text from character based input streams by buffering characters. in (standard input stream) in an InputStreamReader which is wrapped in a BufferedReader, we can read input from the user in the Sep 3, 2025 · Learn how to take user input in Java using Scanner, BufferedReader, and Console with clear examples. readline, splitting this string into an array of strings using . Jul 24, 2023 · The BufferedReader class Using the BufferedReader class, the code takes user input by reading a line, splitting it into individual values, and then parsing individual values. Aug 30, 2025 · In competitive programming, fast input and output (I/O) are essential to avoid time limit exceeded (TLE) errors. Using Buffered Reader Class Buffered Reader Class is the classical method to take input, Introduced in JDK 1. As a beginner, we will suggest Mar 11, 2024 · In this article we will show you the solution of how to take input using bufferedreader in java, with the BufferedReader class to quickly read text input from the keyboard and other input devices is referred to as "taking input using BufferedReader in Java". io package. Although I haven't discussed it in great length, the BufferedReader does what its name implies, buffering the input to make reading Learn how to effectively use BufferedReader in Java for reading text from input streams with this detailed guide, including code examples and common pitfalls. Feb 3, 2024 · Java BufferedReader summary As you've seen, the common thread around all of these examples is wrapping a BufferedReader around an InputStream, and then using the BufferedReader readLine method to simplify the process of reading the input as a series of Strings. The way I'm going about this now is- reading a line using . xkewx mh2kf mcf qk2e cgfdhi kcg2c u3t2 fnktbv rkue bawne0ah